Pentax DA 18-50mm F4.5-5.6 DC WR RE vs Tamron AF 28-300mm F/3.5-6.3 XR Di LD Aspherical (IF) Macro

Side-by-side comparison from our catalogue data. Better values are highlighted only where a clear difference exists.

Pentax

DA 18-50mm F4.5-5.6 DC WR RE

Tamron

AF 28-300mm F/3.5-6.3 XR Di LD Aspherical (IF) Macro

Verdict at a glance

Tamron AF 28-300mm F/3.5-6.3 XR Di LD Aspherical (IF) Macro is faster by 0.7 stops (f/3.5 vs f/4.5), letting in more light.
Pentax DA 18-50mm F4.5-5.6 DC WR RE goes wider (18mm vs 28mm).
Tamron AF 28-300mm F/3.5-6.3 XR Di LD Aspherical (IF) Macro reaches further (300mm vs 50mm).

Specification comparison
Spec	DA 18-50mm F4.5-5.6 DC WR RE	AF 28-300mm F/3.5-6.3 XR Di LD Aspherical (IF) Macro
Brand	Pentax	Tamron
Mount	Pentax K	Pentax K
Type	Zoom	Zoom
Focal length	18-50mm (wider)	28-300mm
Max aperture	f/4.5	f/3.5 (faster)
Format	aps-c	n/a
Weight g	158	n/a
Filter mm	58	62
Length mm	71.0	n/a
Min focus m	0.3 (closer focusing)	0.49

Pentax DA 18-50mm F4.5-5.6 DC WR RE

A retractable weather-resistant kit zoom for Pentax APS-C bodies, weighing about 158 g. It takes 58mm filters and focuses as close as 0.3 m.

Pros

Very light at about 158 g
Weather resistant
Retractable
Close focus 0.3 m

Cons

Slow aperture
Plastic build
Modest image quality

Tamron AF 28-300mm F/3.5-6.3 XR Di LD Aspherical (IF) Macro

The Tamron AF 28-300mm F/3.5-6.3 XR Di LD Aspherical (IF) Macro is a full-frame superzoom lens covering 28-300mm at f/3.5-6.3 for Pentax K mount cameras, with aspherical elements. A high-ratio travel zoom covering wide-angle to telephoto in one lens.

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